3 Button Smart Remote Key for BMW 1 3 5 6 series X1 X5 X6 Z4 315/434/868/315LP MHZ CAS3 System With ID7944 Chip

3 Button Remote key

The item includes key shell, circuit board,PCF7953 Chip,battery. It's a full key.

Part Number: KR55WK49127, KR55WK49123, 267T-5WK49127, 6986583, 6986583-05

Frequency: 315MHz / 433MHz / 868MHz / 315LP MHz

1. Remove the battery and then hold on unlock  button with one hand.

During you hold onunlock  buttonput into the battery.

2. Release the hand fromunlock buttonand then pressunlockbutton 5 times in 5 seconds,

then press Trunk button 1 time.

3. Frequency is 433MHz now, test frequency with programmer.

4. Start to program on car for working.

Programming:

You will need to have this key cut and programmed by a competent local automotive locksmith.

Main dealers will not programme aftermarket keys as they are only able to programmed